"The United States will be better when Bill Ackman is gone," Johnson said.

Following the report that Ackman was short Herbalife, the stock tanked. The shares were last down more than 12%.

Ackman will give his short thesis tomorrow at a special Ira Sohn conference in Midtown Manhattan tomorrow. We will be there covering Ackman's presentation so check back with Clusterstock for updates and coverage.